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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Approximately 15 oz (425 gm)
Higgs Boson is a heavyweight particle plush but also comes in a lightweight shipping saver version which is especially nice if you live outside the U
For Feynman fridge magnets
So if you prefer it to be filled with lightweight stuffing
For other dimensions
Electron brane Approximately 15 oz (425 gm)A negatively charged, diminutive ball of motion. Kind of like some cats I know. ELECTRON is also part of the Lepton 6 pack, Everyday Matter 6 pack and Atomic 3 pack. It gets around! Approximately 2 oz (57 gm); 4 inches (10 cm) across. For ages 5 and up as it contains glued on small parts. CATEGORY: LEPTONS
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